Thermostat Switch DC 12V Temperature Controller Digital Display Module Board DIY
3,89 €
For example: set to 60 temperature set point can only be set to 60 ° C. After the power is turned on, the relay closes the refrigerator to start. When the cooling reaches 23 °C, the relay turns off the refrigerator and the refrigerator is turned off.
Jetzt bei Ebay:
